[PATCH] fix sparse warnings from {asm,net}/checksum.h

Rename the variable "sum" in the __range_ok macros to avoid name collisions
causing lots of "symbol shadows an earlier one" warnings by sparse.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Andi Kleen <ak@suse.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Acked-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-m32r/uaccess.h b/include/asm-m32r/uaccess.h
index 26e978c7e3b4..bd8c83765a5c 100644
--- a/include/asm-m32r/uaccess.h
+++ b/include/asm-m32r/uaccess.h
@@ -68,7 +68,7 @@ static inline void set_fs(mm_segment_t s)
  * This needs 33-bit arithmetic. We have a carry...
  */
 #define __range_ok(addr,size) ({                                        \
-        unsigned long flag, sum;                                        \
+        unsigned long flag, roksum;                                     \
         __chk_user_ptr(addr);                                           \
         asm (                                                           \
                 "       cmpu    %1, %1    ; clear cbit\n"               \
@@ -76,7 +76,7 @@ static inline void set_fs(mm_segment_t s)
                 "       subx    %0, %0\n"                               \
                 "       cmpu    %4, %1\n"                               \
                 "       subx    %0, %5\n"                               \
-                : "=&r" (flag), "=r" (sum)                              \
+                : "=&r" (flag), "=r" (roksum)                           \
                 : "1" (addr), "r" ((int)(size)),                        \
                   "r" (current_thread_info()->addr_limit.seg), "r" (0)  \
                 : "cbit" );                                             \